A store-clerk alerted police about a man armed with a knife in Watseka. Watseka Police (Thursday) arrested 42-year-old Patrick Laird for aggravated assault and disoderly conduct.

The clerk told police she was threatened with a knife by a customer in the 500-block of E. Walnut Street. Police used a surveillance video to identify the suspect as a local resident. After he was located, polcie also charged Lairs with possession of a controlled substance.